Comparison

Onboard Performance Tool vs Atlas Winds

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Onboard Performance Tool

This application enables flight crews and ground personnel to perform real-time performance calculations for flights. It provides fast and precise data for takeoff, landing, and weight and balance, accounting for various environmental and operational factors.

Highlights
  • Real-time performance calculations
  • Takeoff analysis
  • Landing analysis
  • Weight and balance information
  • Accounts for weather and runway conditions
  • Corrects for pressure variation and MEL items
Read full description

*** This application requires configuration files, performance and other databases, available separately. Contact your Boeing representative for details. *** The Onboard Performance Tool (OPT) permits flight crews and ground personnel to perform real-time calculations based on current weather and runway conditions, while adhering to company and regulatory policies and procedures. The Onboard Performance Tool provides self-planning capability through fast and precise calculations. It allows flight crews to calculate the takeoff analysis, landing analysis, and weight and balance information. Instant and accurate calculations save time by correcting for pressure variation, runway conditions, engine bleeds and Minimum Equipment List (MEL) items.

About

Atlas Winds

Calculate approach wind additives for specific Boeing aircraft models. Input runway winds in knots or meters per second to get your wind additive in knots.

Highlights
  • Calculate approach wind additives
  • Supports 737, 747, 767, 777 fleets
  • Input winds in knots or m/s
  • Output wind additive in knots
Read full description

Atlas Winds is a tool to help pilots calculate approach wind additives for the 737, 747, 767, and 777 fleets. Input the runway winds in either knots or meters per second to determine your wind additive in knots. Thank you in advance for supporting Atlas Winds. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Atlas Winds3 screens

Verdict

The call

The clearest difference is review sentiment: Atlas Winds at 100% against Onboard Performance Tool's 14%. Atlas Winds also leads on rating (4.7 vs 3.5) and update cadence (weekly vs every 6 months). Onboard Performance Tool's advantage is in-app purchases (none vs 2). On price, ratings volume, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Atlas Winds sells 2 in-app purchases, starting at $1.99 per month. Onboard Performance Tool asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Atlas Winds holds the better App Store score, 4.7 against 3.5. Both are backed by a comparable volume of ratings — 17 and 21 respectively. Written reviews point the same way: 14% of Onboard Performance Tool's written reviews are positive against 100% of Atlas Winds's.

UpkeepUpdate frequency

Onboard Performance Tool ships an update every 6 months, Atlas Winds weekly. Both last shipped on October 24, 2026.

Scorecard5 real differences · 5 level
Onboard Performance Tool versus Atlas Winds: the parameters behind the verdict, then further details
ParameterOnboard Performance ToolAtlas Winds
PriceFreeFree
Rating3.5 (17 ratings)4.7 (21 ratings) — better
Positive reviews13.5% of reviews100.0% of reviews — better
Number of ratings1721 — better
Update frequencyEvery 6 monthsWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPadiPhone, iPad — better
Requires iOS17.617.6
Further details — not scored
Size42 MB14 MB
Age rating4+4+
DeveloperThe Boeing CompanyScott Brenner

Customer experience

Onboard Performance Tool

All ratings18 ratings
Positive55.6%
Neutral5.6%
Negative38.9%
Written reviews37 reviews
Positive13.5%
Neutral8.1%
Negative78.4%

Atlas Winds

All ratings22 ratings
Positive95.5%
Neutral0.0%
Negative4.5%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Onboard Performance Tool

No in-app purchases

2 purchases

Atlas Winds

Subscriptions2
  • Monthly$1.991 Month
  • Annual1 Month trial$9.991 Year

Questions

Is Onboard Performance Tool free?
Onboard Performance Tool is free to download, with no in-app purchases.
Is Atlas Winds free?
Atlas Winds is free to download, with in-app purchases available.
Which has better reviews, Onboard Performance Tool or Atlas Winds?
Atlas Winds is rated higher. Onboard Performance Tool averages 3.5 out of 5 from 17 ratings, while Atlas Winds averages 4.7 from 21 ratings.
Do Onboard Performance Tool or Atlas Winds have ads?
Neither Onboard Performance Tool nor Atlas Winds shows ads.
Which is updated more often, Onboard Performance Tool or Atlas Winds?
Onboard Performance Tool ships an update every 6 months, and Atlas Winds weekly. Most recently, Onboard Performance Tool was updated on October 24, 2026 and Atlas Winds on October 24, 2026.

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